CN103308805A - Overhauling method and overhauling system for state of distribution transformer - Google Patents
Overhauling method and overhauling system for state of distribution transformer Download PDFInfo
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- CN103308805A CN103308805A CN2013102406481A CN201310240648A CN103308805A CN 103308805 A CN103308805 A CN 103308805A CN 2013102406481 A CN2013102406481 A CN 2013102406481A CN 201310240648 A CN201310240648 A CN 201310240648A CN 103308805 A CN103308805 A CN 103308805A
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Abstract
The invention discloses an overhauling method and an overhauling system for state of a distribution transformer. The overhauling method includes steps of acquiring basic and dynamic parameters; analyzing and evaluating single and overall performance and the like. The overhauling system comprises a parameter acquisition device, a data analyzing and processing device and an overhaul advice releasing device. The parameter acquisition device acquires the basic and dynamic parameters and transmits the same to the data analyzing and processing device, and the basic and dynamic parameters are compared prior to being analyzed and evaluated according to set rules to obtain single and overall performance evaluation results to be transmitted to the overhaul advice releasing device to obtain an overhaul strategy and a plan. Based on equipment state and basic parameters, current equipment running state can be judged, early fault symptom can be identified, and fault locations, seriousness and growing tendency can be decided, and overhauling can be automatically implemented under conditions that the performance drops to a certain degree or before a fault is going to happen according to analysis results, so that reliable technology and management guarantees are provided for safe, stable, long-periodic, full-functional and high-quality running of the equipment.
Description
Technical field
The invention belongs to the electric power overhaul technical field, specifically, relate to repair based on condition of component method and the system thereof of substation transformer.
Background technology
Substation transformer is the visual plant of electric system, uses distribution very extensive, and difficult management has very crucial impact to Reliability of Power Supplying Net Work and power supply quality.Domestic running substation transformer type kind is various at present, and version is varied especially.The long operational time of more substation transformer, every station power distribution transformer service condition changes constantly because of natural causes such as customer charge size, environment again.Therefore, part substation transformer equipment service condition can cause badly that transformer is aging, body damages or fall, and insurance fuse failure, the lead-in wire fault such as fall of breaking occurs, to often carry out ad hoc inspection and repair or scheduled overhaul and carry out the defective elimination, to guarantee the normal operation of substation transformer, to client's reliable power supply.
At present, to the judgement of the substation transformer general level of the health and operation conditions mainly by preventive trial PT(preventiontest) and prophylactic repair TBM(time base maintenance) realize.As the usual way of present electric power apparatus examination, preventive trial and prophylactic repair bear the character of much blindness and are mandatory, have wasted manpower and materials, have increased frequency of power cut and power off time, have caused frequently operation, have increased the accident rate of maloperation.Excessively maintenance also can increase new hidden trouble of equipment, and service work might cause the equipment loss and its overall life is descended.Also exist and overhaul difficulty greatly and the high problem of recondition expense.
Along with the day by day complexity of distribution development, power supply reliability and power supply quality require more and more high, and the intelligent degree of distribution net equipment and System information level also increase substantially simultaneously, and traditional maintenance mode can not satisfy the power network development demand.Set up a kind of maintenance mode of foreseeability, accomplish that " should repair required " become the inevitable development trend of power transformer maintenance mode, therefore, " distribution repair based on condition of component " concept has been carried out.From existing data, the exploration of current distribution repair based on condition of component and execution still mainly rest on marks existing maintenance means result and information, specification condition service work flow process and institutional framework, only change Maintenance Mode over to from system, information flow still is verticalization of tradition processing mode, be the pattern that regular stepwise disposal gathers, possess following drawback:
1, a large amount of abundant information of a line are gathering the hidden mistake of middle simplification step by step, higher level's technology authority and expert's experience and the wisdom First Line that can't go directly.
2, management mode and standard are all grasped by personnel, largely affect repair based on condition of component result's accuracy and consistance.
3, state parameter manually obtain, manual typing, the mode of manual evaluation is in the virgin state in current information epoch, causes the large complexity of information processing work amount easily to make mistakes, and also can't reach the real-time processing requirements of repair based on condition of component.
4, the operation parameters of substation transformer can't effectively obtain and enter the state estimation system so that the state estimation of substation transformer and repair based on condition of component some " fall short of the reality ".
Summary of the invention
The repair based on condition of component method that the purpose of this invention is to provide a kind of substation transformer, the method by gathering substation transformer parameters and analyze, thereby identify out of order early stage sign, and trouble location, the fault order of severity and development trend judged, to determine its best maintenance opportunity.
Simultaneously, the present invention also provides a kind of substation transformer Condition-based maintenance system of realizing the method.
The repair based on condition of component method of substation transformer of the present invention, its step is as follows:
(1) obtaining of underlying parameter obtained all rated functional performance parameters of every station power distribution transformer equipment
And the initial state information after putting equipment in service or the overhaul, and will gather database after these parameter quantifications processing;
(2) obtaining of dynamic parameter obtained the various online non-on-line monitoring of every station power distribution transformer equipment and joined
The number, and patrol and examine, test parameters, by various sense terminals, handheld device collection in worksite, the automatic synchronization collection enters database;
(3) single performance analysis and evaluation compares and arranges one with dynamic parameter and the underlying parameter that obtains
Fixed rule obtains the single performance assessment result according to rule, whether this maintenance or change of this performance of judging current device according to the single performance assessment result again;
(4) combination property analysis assessment, with the score of various kinds of equipment single performance assessment according to weight, distribution
Rule is passed judgment in the situation design synthesis, obtains the comprehensive assessment result of equipment through detailed comparing calculation, provides accordingly Tactial problem and comprehensive turnaround plan.
The method defines and measures by certain rule by underlying parameter and the dynamic parameter to substation transformer
Change, and all kinds of online, non-online detection synchronous data samplings are entered database, work out single parameter according to rules and distribution maintenance experience and pass judgment on rule, comprehensive judge rule, and automatically make Strategies of Maintenance and turnaround plan.Because repair based on condition of component is to wish the performance state assessment carried out for transformer or other electric power facility, and every kind of equipment has independently structure and parts relation, maintenance is exactly to form assessment to equipment by the assessment to parts.
The Condition-based maintenance system of substation transformer of the present invention, include the parameter acquisition device, data analysis treating apparatus and maintenance suggestion distributing device, the parameter acquisition device obtains underlying parameter and the dynamic parameter of substation transformer, send to respectively the data analysis treating apparatus, the data analysis treating apparatus compares dynamic parameter and underlying parameter, and the rule that foundation is set is carried out analysis and evaluation, obtain single performance and the synthetic performance evaluation result of substation transformer, send to maintenance suggestion distributing device, provide Strategies of Maintenance and turnaround plan by maintenance suggestion distributing device.
The parameter acquisition device is used for the collection typing of substation transformer underlying parameter on the one hand, be exactly that all rated functional performance parameters of every station power distribution transformer equipment and the initial state information after putting equipment in service or the overhaul are gathered typing, and these parameter quantifications are processed reference data when assessing; Also be used on the other hand the collection typing of substation transformer dynamic parameter, it is exactly the various online non-on-line monitoring parameter with substation transformer equipment, patrol and examine, the parameter such as test gathers at the scene by various device such as sense terminals, handheld device etc., then automatic synchronization is to the data analysis treating apparatus.The data analysis treating apparatus is with the dynamic parameter obtained and underlying parameter compares and draw the single performance assessment result of equipment according to the rule of setting, and can as required each single performance assessment result score be passed judgment on rule according to design synthesiss such as weight, distribution situations, obtain the comprehensive assessment result of equipment through detailed comparing calculation, just can provide accordingly Strategies of Maintenance and the comprehensive turnaround plan of equipment.
The present invention during take the equipment actual motion dynamic parameter and various underlying parameter as foundation, the running status that judgment device is current, the early stage sign of identification fault, trouble location itself and the order of severity, fault progression trend are judged, and according to the analyzing and diagnosing result, drop to a certain degree or fault is initiatively implemented maintenance before will occuring in equipment performance, for electrical equipment safety, stable, long period, full performance, high-quality operation provide reliable technology and management to ensure.
Description of drawings
Fig. 1 is the process flow diagram of the inventive method.
Fig. 2 is the composition structured flowchart of system of the present invention.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the repair based on condition of component method of substation transformer of the present invention, carry out according to the following steps:
Step 1: obtaining of underlying parameter, obtain all rated functional performances of every station power distribution transformer equipment
Initial state information after parameter and putting equipment in service or the overhaul, and will gather database after these parameter quantifications processing;
Step 2: obtaining of dynamic parameter, obtain the various online non-online prison of every station power distribution transformer equipment
Survey parameter, and patrol and examine, test parameters, by various sense terminals, handheld device collection in worksite, the automatic synchronization collection enters database;
Step 3: the single performance analysis and evaluation compares dynamic parameter and the underlying parameter that obtains and establish
Put certain rule, obtain the single performance assessment result according to rule, whether this maintenance or change of this performance of judging current device according to the single performance assessment result again;
Step 4: combination property analysis assessment, with the score of various kinds of equipment single performance assessment according to weight,
Rule is passed judgment in the distribution situation design synthesis, obtains the comprehensive assessment result of equipment through detailed comparing calculation, provides accordingly Tactial problem and comprehensive turnaround plan.
This method defines and measures by certain rule by underlying parameter and the dynamic parameter to substation transformer
Change, and all kinds of online, non-online detection synchronous data samplings are entered database, work out single parameter according to rules and distribution maintenance experience and pass judgment on rule, comprehensive judge rule, and automatically make Strategies of Maintenance and turnaround plan.Because repair based on condition of component is to wish the performance state assessment carried out for transformer or other electric power facility, and every kind of equipment has independently structure and parts relation, maintenance is exactly to form assessment to equipment by the assessment to parts.
Referring to Fig. 2, the Condition-based maintenance system of substation transformer of the present invention, contain parameter acquisition device 1, data analysis treating apparatus 2 and maintenance suggestion distributing device 3, parameter acquisition device 1 obtains underlying parameter and the dynamic parameter of substation transformer, send to respectively data analysis treating apparatus 2, data analysis treating apparatus 2 compares dynamic parameter and underlying parameter, and the rule that foundation is set is carried out analysis and evaluation, obtain single performance and the synthetic performance evaluation result of substation transformer, send to maintenance suggestion distributing device 3, provide Strategies of Maintenance and turnaround plan by maintenance suggestion distributing device 3.
Wherein, parameter acquisition device 1 is comprised of apparent parameter acquisition module 11, performance parameter acquisition module 12 and electric parameter acquisition module 13, they gather respectively the typing substation transformer outward appearance, performance and electric aspect underlying parameter and dynamic parameter, send to 2 li formation base parameter databases of data analysis treating apparatus and dynamic parameter data storehouse.Apparent parameter includes the dirt of substation transformer and loses corrosion condition, oil level situation, respirator drying agent color, Grounding, sign etc., and these all will carry out gathering typing after the quantification treatment.The stake resistance that the useful multimeter of performance parameter is measured, direct current resistance, insulation resistance etc., device temperature data with the infrared thermometer measurement, and insulation oil level, shunting switch situation, the demonstration of cooling system oil meter and the intact situation of conduit etc., there are some also to need to carry out gathering typing after the quantification treatment.The parameters such as the overload case of heavy load that the useful three-phase electric energy meter of electric parameter and distribution transforming status monitoring terminal are obtained, three-phase imbalance rate, load factor, reactive power.
Data analysis treating apparatus 2 is by data reception module 21, backstage analysis expert module 22, assessment result generation module 23, webpage release module 24 forms, data reception module 21 receives substation transformer underlying parameter and the dynamic parameter of sending from parameter acquisition device 1, deposit in respectively in underlying parameter database and the dynamic parameter data storehouse, backstage analysis expert module 22 as required, data are carried out analyzing and processing, generated single performance and/or the synthetic performance evaluation result of substation transformer by assessment result generation module 23, and issue demonstration by webpage release module 24.
Claims (4)
1. the repair based on condition of component method of a substation transformer is characterized in that, carries out according to the following steps:
(1) obtaining of underlying parameter obtained all rated functional performance parameters of every station power distribution transformer equipment
And the initial state information after putting equipment in service or the overhaul, and will gather database after these parameter quantifications processing;
(2) obtaining of dynamic parameter obtained the various online non-on-line monitoring of every station power distribution transformer equipment and joined
The number, and patrol and examine, test parameters, by various sense terminals, handheld device collection in worksite, the automatic synchronization collection enters database;
(3) single performance analysis and evaluation compares and arranges one with dynamic parameter and the underlying parameter that obtains
Fixed rule obtains the single performance assessment result according to rule, whether this maintenance or change of this performance of judging current device according to the single performance assessment result again;
(4) combination property analysis assessment, with the score of various kinds of equipment single performance assessment according to weight, distribution
Rule is passed judgment in the situation design synthesis, obtains the comprehensive assessment result of equipment through detailed comparing calculation, provides accordingly Tactial problem and comprehensive turnaround plan.
2. the Condition-based maintenance system of a substation transformer, it is characterized in that: comprise the parameter acquisition device, data analysis treating apparatus and maintenance suggestion distributing device, the parameter acquisition device obtains underlying parameter and the dynamic parameter of substation transformer, send to respectively the data analysis treating apparatus, the data analysis treating apparatus compares dynamic parameter and underlying parameter, and the rule that foundation is set is carried out analysis and evaluation, obtain single performance and the synthetic performance evaluation result of substation transformer, send to maintenance suggestion distributing device, provide Strategies of Maintenance and turnaround plan by maintenance suggestion distributing device.
3. the Condition-based maintenance system of substation transformer as claimed in claim 2, it is characterized in that: described parameter acquisition device is comprised of apparent parameter acquisition module, performance parameter acquisition module and electric parameter acquisition module, they gather respectively the typing substation transformer outward appearance, performance and electric aspect underlying parameter and dynamic parameter, send to formation base parameter database and dynamic parameter data storehouse in the data analysis treating apparatus.
4. the Condition-based maintenance system of substation transformer as claimed in claim 2, it is characterized in that: described data analysis treating apparatus is by data reception module, backstage analysis expert module, the assessment result generation module, the webpage release module forms, data reception module receives substation transformer underlying parameter and the dynamic parameter of sending from the parameter acquisition device, deposit in respectively in underlying parameter database and the dynamic parameter data storehouse, backstage analysis expert module as required, data are carried out analyzing and processing, generated single performance and/or the synthetic performance evaluation result of substation transformer by the assessment result generation module, and issue demonstration by the webpage release module.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009403A (en) * | 2014-05-21 | 2014-08-27 | 国网四川省电力公司成都市新都供电分公司 | Overhauling method special for outdoor large transformer |
| CN105117981A (en) * | 2015-08-27 | 2015-12-02 | 无锡阳工机械制造有限公司 | Power plant equipment maintenance management method |
| CN105334758A (en) * | 2015-11-09 | 2016-02-17 | 中广核核电运营有限公司 | Partner-type nuclear power plant detection method and system |
| CN105842575A (en) * | 2016-03-09 | 2016-08-10 | 国网浙江省电力公司湖州供电公司 | Status monitoring data mining and hidden danger identification method and apparatus for transmission and transformation equipment |
| CN106682081A (en) * | 2016-11-23 | 2017-05-17 | 云南电网有限责任公司电力科学研究院 | Multi-model based comprehensive transformer performance analysis system |
| CN106849367A (en) * | 2017-04-18 | 2017-06-13 | 广州供电局有限公司 | A kind of transformer station's remote online monitoring and state evaluating method |
| CN109697513A (en) * | 2017-10-23 | 2019-04-30 | 云南电网有限责任公司 | A kind of distribution net equipment state maintenance method based on big data convergence analysis model |
| CN110587629A (en) * | 2019-10-15 | 2019-12-20 | 云南电网有限责任公司电力科学研究院 | Transformer substation inspection robot, inspection method and inspection robot control method |
| CN112112792A (en) * | 2020-09-08 | 2020-12-22 | 上海发电设备成套设计研究院有限责任公司 | State maintenance method and system for electric water feed pump set and terminal |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009403A (en) * | 2014-05-21 | 2014-08-27 | 国网四川省电力公司成都市新都供电分公司 | Overhauling method special for outdoor large transformer |
| CN104009403B (en) * | 2014-05-21 | 2015-12-02 | 国网四川省电力公司成都市新都供电分公司 | Be exclusively used in the repair method to outdoor large transformer |
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| CN105334758A (en) * | 2015-11-09 | 2016-02-17 | 中广核核电运营有限公司 | Partner-type nuclear power plant detection method and system |
| CN105842575A (en) * | 2016-03-09 | 2016-08-10 | 国网浙江省电力公司湖州供电公司 | Status monitoring data mining and hidden danger identification method and apparatus for transmission and transformation equipment |
| CN106682081A (en) * | 2016-11-23 | 2017-05-17 | 云南电网有限责任公司电力科学研究院 | Multi-model based comprehensive transformer performance analysis system |
| CN106849367A (en) * | 2017-04-18 | 2017-06-13 | 广州供电局有限公司 | A kind of transformer station's remote online monitoring and state evaluating method |
| CN109697513A (en) * | 2017-10-23 | 2019-04-30 | 云南电网有限责任公司 | A kind of distribution net equipment state maintenance method based on big data convergence analysis model |
| CN110587629A (en) * | 2019-10-15 | 2019-12-20 | 云南电网有限责任公司电力科学研究院 | Transformer substation inspection robot, inspection method and inspection robot control method |
| CN112112792A (en) * | 2020-09-08 | 2020-12-22 | 上海发电设备成套设计研究院有限责任公司 | State maintenance method and system for electric water feed pump set and terminal |
| CN112112792B (en) * | 2020-09-08 | 2024-04-23 | 上海发电设备成套设计研究院有限责任公司 | State maintenance method, system and terminal for electric water supply pump set |
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Application publication date: 20130918 |